Ion source for tests of ion behavior in the Karlsruhe tritium neutrino experiment beam line

Lukić, S.; Bornschein, B.; Drexlin, G.; Glück, F.; Kazachenko, O.; Schöppner, M.; Weinheimer, C.; Zoll, M.

doi:10.1063/1.3504372

Cited by 4 publications

(2 citation statements)

References 24 publications

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“…The ELIOTT ion source [43] was mounted inside the bore of the rearmost superconducting magnet, behind the rear wall (section 2.1.1). D 2 gas was provided as a small, almost constant flow from a buffer vessel.…”

Section: Eliott Ion Sourcementioning

confidence: 99%

First transmission of electrons and ions through the KATRIN beamline

et al. 2018

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The Karlsruhe Tritium Neutrino (KATRIN) experiment is a large-scale effort to probe the absolute neutrino mass scale with a sensitivity of 0.2 eV (90% confidence level), via a precise measurement of the endpoint spectrum of tritium β-decay. This work documents several KATRIN commissioning milestones: the complete assembly of the experimental beamline, the successful transmission of electrons from three sources through the beamline to the primary detector, and tests of ion transport and retention. In the First Light commissioning campaign of autumn 2016, photoelectrons were generated at the rear wall and ions were created by a dedicated ion source attached to the rear section; in July 2017, gaseous 83mKr was injected into the KATRIN source section, and a condensed 83mKr source was deployed in the transport section. In this paper we describe the technical details of the apparatus and the configuration for each measurement, and give first results on source and system performance. We have successfully achieved transmission from all four sources, established system stability, and characterized many aspects of the apparatus.

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Section: Eliott Ion Sourcementioning

confidence: 99%

First transmission of electrons and ions through the KATRIN beamline

et al. 2018

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“…These codes have been used for electromagnetic design studies and/or trajectory calculations connected with the aSPECT proton spectrometer [6,7], the Mainz neutrino mass spectrometer [4,21], the WITCH ion spectrometer [8,9], the Nab neutron decay spectrometer [22], and various axisymmetric electrode systems of the KATRIN experiment [10,[23][24][25][26][27][28][29][30][31][32]. Note that all the diploma theses and dissertations cited in our paper can be found either on the KATRIN homepage [33] or on the working group homepage of Weinheimer [34].…”

Section: Introductionmentioning

confidence: 99%

Axisymmetric Magnetic Field Calculation With Zonal Harmonic Expansion

Glück¹

2011

PIER B

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Abstract-The electric potential and field of an axially symmetric electric system can be computed by expansion of the central and remote zonal harmonics, using the Legendre polynomials. Garrett showed the usefulness of the zonal harmonic expansion for magnetic field calculations, and the similar radial series expansion has been widely used in electron optics. In this paper, we summarize our experience of using the zonal harmonic expansion for practically interesting axisymmetric electric field computations. This method provides very accurate potential and field values, and it is much faster than calculations with elliptic integrals. We present formulas for the central and remote expansions and for the coefficients of the zonal harmonics (source constants) in the case of general axisymmetric electrodes and dielectrics. We also discuss the general convergence properties of the zonal harmonic series (proof, rate of convergence, and connection with complex series). Practical considerations about the computation method are given at the end. In our appendix, one can find many useful formulas about properties of the Legendre polynomials, various derivatives of the zonal harmonic functions, and a simple numerical integration algorithm.

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Tritium ion blocking and detection in the KATRIN experiment

Klein

Glück

2017

J. Phys.: Conf. Ser.

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Ion source for tests of ion behavior in the Karlsruhe tritium neutrino experiment beam line

Cited by 4 publications

References 24 publications

First transmission of electrons and ions through the KATRIN beamline

First transmission of electrons and ions through the KATRIN beamline

Axisymmetric Magnetic Field Calculation With Zonal Harmonic Expansion

Tritium ion blocking and detection in the KATRIN experiment

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